We love what we're hearing about our Adrenaline High Volume High Pressure Oil Pump!  Here is just a sample of what our customers have to say:

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I've made two trips to the Oregon coast and one trip to the high mountains to go camping so far. The Adrenaline HPOP has really made a noticeable difference. My mileage has increased slightly (.3 mpg) pulling the camp trailer. The power, however, is substantially improved. This last trip to the mountains has the longest, hardest pull of anywhere we go (7% grade). I used to have to floor it at the base and would be topping the summit around 50-55 mph with my foot still planted firmly on the floor. That's if no one got in my way to slow me down. If anyone did slow me down,  I would top the summit at whatever speed I got slowed down to. I could never pick up speed once I got slowed down. This last trip with the Adrenaline installed I had throttle to spare and crested the summit at 65 mph. I could actually pick up speed pulling my 23 foot camp trailer going up a 7% grade to pass slower traffic when we hit the passing lanes. The EGT on the Tony Wildman tow setting never got above 1250 degrees and it pulled it on 8 pounds less boost than it used to. My normal driving has shown an increase of .5 mpg. I would highly recommend this to anyone looking for an upgrade to their factory HPOP. It's been a great product so far and hasn't, to date, given even a hint of a problem, and I anticipate it staying this way. Thanks for another great product Bob.

Lynn C.

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Just wanted to send an update on our Adrenaline HPOP.  We are thrilled with the performance of the unit.  We took our first camping trip of the season with our fully loaded trailer and the pump performed flawlessly.  We didn't think the fuel mileage would improve but it did.  Towing, it picked up 1.5 to 2 MPG.  While not towing we got 19 MPG.  Our best before was 17 MPG.  Seems like we picked up A LOT of power too.  Our "Wildman" stock setting is all we need.  On the other settings we have so much power that our Con-O clutch starts to slip.  Thanks!!!!

Kay & Lauri M.

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I was having SES light issues and the P1211 code with my ALL STOCK truck when towing uphills and at wide open throttle (WOT) when empty or towing for more than a few seconds.  After finding out about the Adrenaline pump (through the FTE forum), I contacted Bob and he indicated that this pump would definitely help - man was he RIGHT! I had to wait a couple of weeks for the pump to be manufactured and sent off, but it was worth it.

The install wasn't too bad, about 4 hours, if you take out lunch and a run to the auto store to get RTV for the cover plate (not mentioned in the instructions that I needed RTV). I called Bob 2x, first time to ask about getting the drive bolt off, as I tried to loosen it the whole engine turned. He recommended I use a breaker bar and hit with a hammer to simulate an impact wrench. It worked. The second was to ask about tricks to get the oil lines back on, he told me to suck it up and keep trying (not quite those words), it worked, I got them back on. Tightened it all back up, no oil leaks, but a small fuel leak out of the upper line - I did not have bushing or o-rings or whatever I needed there. So, for not even a shade tree mechanic, not a terribly difficult process. Oh, I did seem to have a little bit of air in there, so I ran it for a while on the freeway, then "burped" the air out by cracking the ICP when done. Air out, starts beautifully. I think engine noise when accelerating is down a bit too. 

HUGE Results - my ICP pressure flattened out over 2800psi - it did not drop once it flattened. That is a gain of almost 1000psi!!!!!  I had incredible power continuing up to speed. I used to get a SES and 1211 after WOT for about 5 seconds, then the light. I also noticed (prior to this) that once the truck got going, it seemed to hit a wall and stay there. Now with the Adrenaline it is the energizer bunny - just keeps going. I also can't wait to get a trailer behind it. I used to dread all the hills, now I can't wait to run up them. THANKS BOB and SHERYL!!

Jim B.

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This is my early 99 f-250 psd it has 250,000 miles and all original  and I have owned it since new. I have installed a billet converter, DIY  intake, crankcase vent system, 4"turbo-back exhaust, an adrenaline  HPOP, edge evo 2 programmer. the best addition to to truck to date would have to be the adrenaline. That thing is awesome!!!!!!!!!! it pulls like hell now!!! i fell like i am 16 again and can't wait to wake up to drive!!!!!!! future mods include a CPR  fuel system a d66 turbo and stage 2 injectors. Man.... I still can't  believe the HPOP....with it turned to stock it feels like the tow program!!!!! waiting on my BRV . It throws a boost code every time i step on it now!!!! Great job Bob and Sheryl.....  thanks for all the help!            

Mike B.

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As you know I built this truck to tow with. Our latest journey has taken us from Idaho to Colorado . Lots of long uphills and altitude changes. My truck has NEVER pulled as hard as it does now!! This pump has given me a whole different truck. the power comes on sooner and the torque curve is so broad and flat it amaizing.   A short story.... we were leaving Ogden Utah up Echo Canyon to Evanston Wy . Its basicly 70 miles of up hill, twisting canyon road. Speed limit 75 with 55 mph corners. Remember I just scaled at 26,160 lbs. so this is a heavy load. Anyway, I find myself having to SLOW DOWN for the corners!!! I was grinning from ear to ear. Bob and Sheryl, you have hit a home run with this pump. The 7.3 is alive and well because of people like you.

Barney F.